1.
A Study on Forest Landscape Classification and Planning for the Natural Forest Areas in the Northeast of China;
东北天然林区森林景观分类及规划的研究
2.
A forest or wooded area in its natural state.
天然林，原始林天然状态的树林或林区
3.
Community Forestry and the Sustainable Development of NFPP Communities;
社区林业与天然林保护社区的可持续发展
4.
The Evaluation of the Oak Natural Secondary Forest in Baotianman National-level Nature Reserve;
宝天曼自然保护区栎类天然次生林林分质量评价
5.
Study on Policies of Natural Forest Conservation in the Upper Reaches of the Yangtze River
长江上游地区天然林保护的政策研究
6.
Study on Regeneration Pattern in Secondary Forest in Maoershan Region;
帽儿山地区天然次生林更新格局研究
7.
Policy Target of Protect Natural Forest in the Upper Reaches of the Changjiang River;
长江上游地区天然林保护的政策目标
8.
Study on Renewal Potential of Oak Forests in Baotianman Nature Reserve
宝天曼自然保护区栎林更新潜力研究
9.
Analysis the Pinus Tabulaeformis Natural Forest Spatial Structure
北京山区油松天然林的空间结构分析
10.
Natural Regeneration of Armand Pine Forest in Qinling Mountain Forest Region
秦岭林区华山松林天然更新的初步研究
11.
Individual Tree Growth Models of Natural Mixed Forest in Northern China;
东北林区天然混交林单木生长模型的研究
12.
Analysis on Natural Regeneration of Spruce-Fir Mixed Stands and Seedlings Characteristics of Changbai Mountains;
长白山林区天然云冷杉林更新及幼树特征分析
13.
Community Participation in Forest Management and Its Enlightenment for Natural Forest Protection Program in China;
社区参与森林管理及对天然林保护工程的启示
14.
Condition and Strategy of Natural Forests Conservation Project in National Forest;
国有林区实施天然林保护工程的条件及对策
15.
Carbon Balance in Natural Secondary Pinus Tabulaeformis Forest at Huoditang Forest Zone in the Qinling Mountains
秦岭火地塘林区天然次生油松林碳平衡研究
16.
Optimal Growing Space for Juglans mandshurica in Second Growth Forests in Changbai Mountains
长白山林区天然次生林胡桃楸的适宜生长空间
17.
State-owned forest areas of natural secondary forest operations to be improved to save
对提高国有林区天然次生林经营水平的探讨
18.
Variable Relationship between Tree Age and Diameter at Breast Height for Natural Forests in Changbai Mountains
长白山地区天然林林木年龄与胸径的变动关系